161691878

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{14009}}^1$

素因数の和:14239

約数の個数: 16

約数和(自身を含む): 252180000

約数和(自身を除く): 90488122

約数列:

[1, 2, 29, 58, 199, 398, 5771, 11542, 14009, 28018, 406261, 812522, 2787791, 5575582, 80845939, 161691878]

約数ペア:

[(1, 161691878), (2, 80845939), (29, 5575582), (58, 2787791), (199, 812522), (398, 406261), (5771, 28018), (11542, 14009)]